/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using System.Collections.Generic;

namespace ZXing.Client.Result
{
   /// <summary> Implements the "BIZCARD" address book entry format, though this has been
   /// largely reverse-engineered from examples observed in the wild -- still
   /// looking for a definitive reference.
   /// 
   /// </summary>
   /// <author>  Sean Owen
   /// </author>
   /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source 
   /// </author>
   sealed class BizcardResultParser : AbstractDoCoMoResultParser
   {
      // Yes, we extend AbstractDoCoMoResultParser since the format is very much
      // like the DoCoMo MECARD format, but this is not technically one of 
      // DoCoMo's proposed formats

      override public ParsedResult parse(ZXing.Result result)
      {
         String rawText = result.Text;
         if (rawText == null || !rawText.StartsWith("BIZCARD:"))
         {
            return null;
         }
         String firstName = matchSingleDoCoMoPrefixedField("N:", rawText, true);
         String lastName = matchSingleDoCoMoPrefixedField("X:", rawText, true);
         String fullName = buildName(firstName, lastName);
         String title = matchSingleDoCoMoPrefixedField("T:", rawText, true);
         String org = matchSingleDoCoMoPrefixedField("C:", rawText, true);
         String[] addresses = matchDoCoMoPrefixedField("A:", rawText, true);
         String phoneNumber1 = matchSingleDoCoMoPrefixedField("B:", rawText, true);
         String phoneNumber2 = matchSingleDoCoMoPrefixedField("M:", rawText, true);
         String phoneNumber3 = matchSingleDoCoMoPrefixedField("F:", rawText, true);
         String email = matchSingleDoCoMoPrefixedField("E:", rawText, true);

         return new AddressBookParsedResult(maybeWrap(fullName),
                                            null,
                                            buildPhoneNumbers(phoneNumber1, phoneNumber2, phoneNumber3),
                                            null,
                                            maybeWrap(email),
                                            null,
                                            null,
                                            null,
                                            addresses,
                                            null,
                                            org,
                                            null,
                                            title,
                                            null);
      }

      private static String[] buildPhoneNumbers(String number1, String number2, String number3)
      {
         var numbers = new List<string>();
         if (number1 != null)
         {
            numbers.Add(number1);
         }
         if (number2 != null)
         {
            numbers.Add(number2);
         }
         if (number3 != null)
         {
            numbers.Add(number3);
         }
         var size = numbers.Count;
         if (size == 0)
         {
            return null;
         }
         return SupportClass.toStringArray(numbers);
      }

      private static String buildName(String firstName, String lastName)
      {
         if (firstName == null)
         {
            return lastName;
         }
         return lastName == null ? firstName : firstName + ' ' + lastName;
      }
   }
}